<!DOCTYPE HTML>
<html>
    <head>
        <title>Example</title>
        <style>
            canvas {border: thin solid black; margin: 4px;}
            body > * {float:left;}
        </style>
    </head>
    <body>
        <canvas id="canvas" width="400" height="200">
            Your browser doesn't support the <code>canvas</code> element
        </canvas>
        <script>
            var ctx = document.getElementById("canvas").getContext("2d");
                         
            ctx.fillStyle = "lightgrey";
            ctx.strokeStyle = "black";
            ctx.lineWidth = 3;

            ctx.clearRect(0, 0, 300, 120);
            ctx.globalAlpha = 1.0;
            ctx.font = "100px sans-serif";
            ctx.fillText("Hello", 10, 100);
            ctx.strokeText("Hello", 10, 100);       
                            
            ctx.scale(1.3, 1.3);
            ctx.translate(100, -50);
            ctx.rotate(0.5);                            
                            
            ctx.fillStyle = "red";
            ctx.globalAlpha = 0.5;
            ctx.fillRect(100, 10, 150, 100);
            
            ctx.strokeRect(0, 0, 300, 200);
        </script>
    </body>
</html>
